Home / 20,058.08-27,675.86-12,100.19

Finding the Fourth Proportional to 20,058.08, 27,675.86 and 12,100.19

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Solution

The fourth proportional to 20,058.08, 27,675.86 and 12,100.19 is: 16,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.08 : 27,675.86 = 12,100.19 : x
  2. Step 2: Convert to fraction form
    20,058.08/27,675.86 = 12,100.19/x
  3. Step 3: Cross multiply
    20,058.08x = 27,675.86 × 12,100.19
  4. Step 4: Simplify right side
    20,058.08x = 334,882,965.53
  5. Step 5: Solve for x
    x = 334,882,965.53/20,058.08
  6. Step 6: Final answer
    x = 16,695.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.